n = int(input())
a = list(map(int,input().split()))
b = list(map(int,input().split()))

ans = 0

if a == b:
    print(0)
    exit()
    
lism = []
lisp = []

for i in range(n):
    if a[i] == b[i]:
        continue
    if a[i] > b[i]:
        lisp.append([i+1,a[i]-b[i]])
    else:
        lism.append([i+1,b[i]-a[i]])

lism.reverse()    
ans = []
num = 0

for i,cnt in lism:
    for j in range(cnt):
        ans.append([i,"R"])
    num += cnt

for i,cnt in lisp:
    for j in range(cnt):
        ans.append([i,"L"])
    num += cnt

print(num)        
for i in ans:
    print(*ans)